MarkupAccumulator.h [plain text]
#pragma once
#include "Element.h"
#include "markup.h"
#include <wtf/HashMap.h>
#include <wtf/text/StringBuilder.h>
namespace WebCore {
class Attribute;
class DocumentType;
class Element;
class Node;
class Range;
typedef HashMap<AtomString, AtomStringImpl*> Namespaces;
enum EntityMask {
EntityAmp = 0x0001,
EntityLt = 0x0002,
EntityGt = 0x0004,
EntityQuot = 0x0008,
EntityNbsp = 0x0010,
EntityMaskInCDATA = 0,
EntityMaskInPCDATA = EntityAmp | EntityLt | EntityGt,
EntityMaskInHTMLPCDATA = EntityMaskInPCDATA | EntityNbsp,
EntityMaskInAttributeValue = EntityAmp | EntityLt | EntityGt | EntityQuot,
EntityMaskInHTMLAttributeValue = EntityAmp | EntityQuot | EntityNbsp,
};
class MarkupAccumulator {
WTF_MAKE_NONCOPYABLE(MarkupAccumulator);
public:
MarkupAccumulator(Vector<Node*>*, ResolveURLs, SerializationSyntax = SerializationSyntax::HTML);
virtual ~MarkupAccumulator();
String serializeNodes(Node& targetNode, SerializedNodes, Vector<QualifiedName>* tagNamesToSkip = nullptr);
static void appendCharactersReplacingEntities(StringBuilder&, const String&, unsigned, unsigned, EntityMask);
protected:
static size_t totalLength(const Vector<String>&);
size_t length() const { return m_markup.length(); }
void concatenateMarkup(StringBuilder&);
void appendString(const String&);
void appendStringView(StringView);
void startAppendingNode(const Node&, Namespaces* = nullptr);
void endAppendingNode(const Node& node)
{
if (is<Element>(node))
appendEndTag(m_markup, downcast<Element>(node));
}
virtual void appendStartTag(StringBuilder&, const Element&, Namespaces*);
virtual void appendEndTag(StringBuilder&, const Element&);
virtual void appendCustomAttributes(StringBuilder&, const Element&, Namespaces*);
virtual void appendText(StringBuilder&, const Text&);
void appendOpenTag(StringBuilder&, const Element&, Namespaces*);
void appendCloseTag(StringBuilder&, const Element&);
void appendNonElementNode(StringBuilder&, const Node&, Namespaces*);
void appendEndMarkup(StringBuilder&, const Element&);
void appendAttributeValue(StringBuilder&, const String&, bool isSerializingHTML);
void appendNamespace(StringBuilder&, const AtomString& prefix, const AtomString& namespaceURI, Namespaces&, bool allowEmptyDefaultNS = false);
void appendXMLDeclaration(StringBuilder&, const Document&);
void appendDocumentType(StringBuilder&, const DocumentType&);
void appendProcessingInstruction(StringBuilder&, const String& target, const String& data);
void appendAttribute(StringBuilder&, const Element&, const Attribute&, Namespaces*);
void appendCDATASection(StringBuilder&, const String&);
bool shouldAddNamespaceElement(const Element&);
bool shouldAddNamespaceAttribute(const Attribute&, Namespaces&);
EntityMask entityMaskForText(const Text&) const;
Vector<Node*>* const m_nodes;
private:
String resolveURLIfNeeded(const Element&, const String&) const;
void appendQuotedURLAttributeValue(StringBuilder&, const Element&, const Attribute&);
void serializeNodesWithNamespaces(Node& targetNode, SerializedNodes, const Namespaces*, Vector<QualifiedName>* tagNamesToSkip);
bool inXMLFragmentSerialization() const { return m_serializationSyntax == SerializationSyntax::XML; }
void generateUniquePrefix(QualifiedName&, const Namespaces&);
QualifiedName xmlAttributeSerialization(const Attribute&, Namespaces*);
StringBuilder m_markup;
const ResolveURLs m_resolveURLs;
SerializationSyntax m_serializationSyntax;
unsigned m_prefixLevel { 0 };
};
}